20224888

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{389}}^1$

素因数の和:559

約数の個数: 32

約数和(自身を含む): 38984400

約数和(自身を除く): 18759512

約数列:

[1, 2, 4, 8, 67, 97, 134, 194, 268, 388, 389, 536, 776, 778, 1556, 3112, 6499, 12998, 25996, 26063, 37733, 51992, 52126, 75466, 104252, 150932, 208504, 301864, 2528111, 5056222, 10112444, 20224888]

約数ペア:

[(1, 20224888), (2, 10112444), (4, 5056222), (8, 2528111), (67, 301864), (97, 208504), (134, 150932), (194, 104252), (268, 75466), (388, 52126), (389, 51992), (536, 37733), (776, 26063), (778, 25996), (1556, 12998), (3112, 6499)]